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【简答题】
一台三相异步电动机，转子，转子阻抗角φ 2 =60°。
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举一反三
【单选题】During your stay in China, Mr. Kang and I will __________________.
A.
be at your service
B.
at your service
C.
be in your service
D.
in your service
【单选题】— Were they good to you during your stay there? — Sure ! I ________ one of the family there.
A.
was treated as
B.
was treated like
C.
had been looked on like
D.
had been considered like
【单选题】房屋的结构施工图中,某梁编号为:KL5(3B),表示( )
A.
框架梁KL5共有3跨，其中一端有悬挑
B.
框架梁KL5共有3跨，其中两端有悬挑
C.
框架梁KL共有5跨，其中第3跨有悬挑
D.
框架梁KL共有5跨，其中两端有悬挑
【单选题】During your stay at school, it's very important not to give up ______. [ ]
A.
question
B.
questioning
C.
to question
D.
questioned
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